A new species, Australopithecus anamensis,
was named in 1995. It was found in Allia Bay in Kenya. Anamensis lived between 4.2 and 3.9 million years ago. Its body showed
advanced bipedal features, but the skull closely resembled the ancient apes.

"Abel"

Ardipithecus (Cain?) was a more primitive hominid, considered the next known step below Australopithecus on the evolutionary
tree. The A. anamensis find is dated to about 4.2 million years ago, the Ar. ramidus find to 4.4 million years
ago, placing only 200,000 years between the two species and filling in yet another blank in the pre-Australopithecus hominid
evolutionary timeline.

Gen. 4:4 And Abel, (Australopithecus anamensis, was carnivorous),
he also brought of the firstlings of his flock and of the fat thereof.
And the LORD, (Father Nature, our Reality), had respect,
(in regard to the evolutionary value of a high protein diet), unto
Abel, (Australopithecus anamnesis), and to his offering:

Gen. 4:5 But unto Cain, (Ardipithecus ramidus was vegetarian), and to his offering, (as concerning the nutritional value to brain metabolism), he, (Father Nature, our Reality),
had not respect, (in regard to the demands of the expanding mental abilities of evolving man). And Cain, (Ardipithecus ramidus), was
very wroth, and his countenance fell.

Meat eaters brains enhanced mental capabilities:

The
traditional dietary explanation for the advancement of certain Hominoids over others is a shift from nuts and berries to meat.
The higher energy fuel of that protein source is thought to account for the enhanced mental capabilities that require nourishing
larger brains.

Cut marks on animal bones suggest that humans had mastered meat-eating, perhaps by scavenging carcasses.
Many researchers have assumed that this high-quality food fueled the rise of H. erectus also, enabling it to process food
with smaller teeth and guts and nourishing larger brains and bodies. And with more food to go around, females began to catch
up with males in size.